/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package carpool.services;

import carpool.persistence.Pontos;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author thigu15
 */
public class RideServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {

           String op = request.getParameter("operation");

           if (op.equals("search")){
                double lat = Double.valueOf(request.getParameter("lat"));
                double lon = Double.valueOf(request.getParameter("lon"));
                RideBean rideBean = new RideBean();
                Pontos[] p = rideBean.searchNearRide(lat, lon);
                response.setContentType("text/xml");
                response.setHeader("Cache-Control", "no-cache");
                out.write(rideBean.toXML(p));
                //out.println(p[0].getLat());

                //out.println("<h1>Servlet NewServlet at " + p[c].getLat() + " " + p[c].getLon() + "</h1>");
                
           }

        } finally { 
            out.close();
        }
    }



    // <editor-fold defaultstate="collapsed" desc="Métodos HttpServlet. Clique no sinal de + à esquerda para editar o código.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
